z axis motor not rotating jst toggling. and x and y motor dose not rotating in reverse direction

guys
my z axis motor is not rotating
its just toggling. and also the X and Y motors are rotating in only one direction
please help

Comments

  • edited February 2016
    hi check your end stops if it is connected to N/C or N/O and if you have the same settings on the firmware.   
  • z axis have too high speed/acceleration or not enough torque or are not squared and have to much friction. One of these prevents them from turning.
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